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<table width="100%" summary="page for USstamps"><tr><td>USstamps</td><td style="text-align: right;">R Documentation</td></tr></table>

<h2>USstamps</h2>

<h3>Description</h3>

<p>Price of US stamp for first class mail 1885-2012
</p>


<h3>Format</h3>

<p>A dataset with 25 observations on the following 2 variables.
</p>

<table summary="Rd table">
<tr>
 <td style="text-align: right;">
    <code>Year</code></td><td style="text-align: left;"> Years when stamp price changed</td>
</tr>
<tr>
 <td style="text-align: right;">
    <code>Price</code></td><td style="text-align: left;"> Cost of a US first class stamp (in cents)</td>
</tr>
<tr>
 <td style="text-align: right;">
 </td>
</tr>

</table>



<h3>Details</h3>

<p>The data record the year and price for each change in price for a 
US first class (1 ounce, domestic letter) stamp since 1885. 
</p>


<h3>Source</h3>

<p>http://about.usps.com/who-we-are/postal-history/domestic-letter-rates-1863-2011.htm
</p>


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